The workflow JSON
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{
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "0 9 * * *"
},
{}
]
}
},
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.3,
"position": [
0,
0
],
"id": "c4a0fa89-50be-426c-8159-c4efdb6e6123",
"name": "Every day at 9 AM"
},
{
"parameters": {
"operation": "amazon",
"url": "https://www.amazon.com/dp/B09468VZ5W"
},
"type": "@decodo/n8n-nodes-decodo.decodo",
"typeVersion": 1,
"position": [
240,
-208
],
"id": "a1111111-0000-0000-0000-000000000001",
"name": "Check product 1",
"credentials": {
"decodoApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "11110000-0000-0000-0000-0000000000a1",
"name": "name",
"value": "={{ $json.results[0].content.results.title }}",
"type": "string"
},
{
"id": "11110000-0000-0000-0000-0000000000a2",
"name": "url",
"value": "={{ $json.results[0].content.results.url }}",
"type": "string"
},
{
"id": "11110000-0000-0000-0000-0000000000a3",
"name": "stock",
"value": "={{ $json.results[0].content.results.stock }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
460,
-208
],
"id": "b1111111-0000-0000-0000-000000000001",
"name": "Normalize 1"
},
{
"parameters": {
"operation": "amazon",
"url": "https://www.amazon.com/dp/B0CMX38QZF"
},
"type": "@decodo/n8n-nodes-decodo.decodo",
"typeVersion": 1,
"position": [
240,
0
],
"id": "a2222222-0000-0000-0000-000000000002",
"name": "Check product 2",
"credentials": {
"decodoApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "22220000-0000-0000-0000-0000000000b1",
"name": "name",
"value": "={{ $json.results[0].content.results.title }}",
"type": "string"
},
{
"id": "22220000-0000-0000-0000-0000000000b2",
"name": "url",
"value": "={{ $json.results[0].content.results.url }}",
"type": "string"
},
{
"id": "22220000-0000-0000-0000-0000000000b3",
"name": "stock",
"value": "={{ $json.results[0].content.results.stock }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
460,
0
],
"id": "b2222222-0000-0000-0000-000000000002",
"name": "Normalize 2"
},
{
"parameters": {
"operation": "amazon",
"url": "https://www.amazon.com/dp/B0D1KVS785"
},
"type": "@decodo/n8n-nodes-decodo.decodo",
"typeVersion": 1,
"position": [
240,
208
],
"id": "a3333333-0000-0000-0000-000000000003",
"name": "Check product 3",
"credentials": {
"decodoApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "33330000-0000-0000-0000-0000000000c1",
"name": "name",
"value": "={{ $json.results[0].content.results.title }}",
"type": "string"
},
{
"id": "33330000-0000-0000-0000-0000000000c2",
"name": "url",
"value": "={{ $json.results[0].content.results.url }}",
"type": "string"
},
{
"id": "33330000-0000-0000-0000-0000000000c3",
"name": "stock",
"value": "={{ $json.results[0].content.results.stock }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
460,
208
],
"id": "b3333333-0000-0000-0000-000000000003",
"name": "Normalize 3"
},
{
"parameters": {
"numberInputs": 3
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
680,
0
],
"id": "c0000000-0000-0000-0000-0000000000d0",
"name": "Combine products"
},
{
"parameters": {
"operation": "removeItemsSeenInPreviousExecutions",
"dedupeValue": "={{ $json.url }}|{{ $json.stock }}",
"options": {}
},
"type": "n8n-nodes-base.removeDuplicates",
"typeVersion": 2,
"position": [
900,
0
],
"id": "d0000000-0000-0000-0000-0000000000e0",
"name": "Only new status (cross-run)"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "e0000000-0000-0000-0000-0000000000f1",
"leftValue": "={{ ($json.stock || '').toLowerCase().includes('in stock') }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.filter",
"typeVersion": 2.3,
"position": [
1120,
0
],
"id": "e0000000-0000-0000-0000-0000000000f0",
"name": "In stock?"
},
{
"parameters": {
"select": "channel",
"channelId": {
"__rl": true,
"value": "#random",
"mode": "name"
},
"text": "=\u2705 Back in stock!\n{{ $json.name }}\n{{ $json.url }}",
"otherOptions": {
"includeLinkToWorkflow": false
}
},
"type": "n8n-nodes-base.slack",
"typeVersion": 2.4,
"position": [
1340,
0
],
"id": "f0000000-0000-0000-0000-000000000100",
"name": "Back-in-stock alert",
"credentials": {
"slackApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Every day at 9 AM": {
"main": [
[
{
"node": "Check product 1",
"type": "main",
"index": 0
},
{
"node": "Check product 2",
"type": "main",
"index": 0
},
{
"node": "Check product 3",
"type": "main",
"index": 0
}
]
]
},
"Check product 1": {
"main": [
[
{
"node": "Normalize 1",
"type": "main",
"index": 0
}
]
]
},
"Normalize 1": {
"main": [
[
{
"node": "Combine products",
"type": "main",
"index": 0
}
]
]
},
"Check product 2": {
"main": [
[
{
"node": "Normalize 2",
"type": "main",
"index": 0
}
]
]
},
"Normalize 2": {
"main": [
[
{
"node": "Combine products",
"type": "main",
"index": 1
}
]
]
},
"Check product 3": {
"main": [
[
{
"node": "Normalize 3",
"type": "main",
"index": 0
}
]
]
},
"Normalize 3": {
"main": [
[
{
"node": "Combine products",
"type": "main",
"index": 2
}
]
]
},
"Combine products": {
"main": [
[
{
"node": "Only new status (cross-run)",
"type": "main",
"index": 0
}
]
]
},
"Only new status (cross-run)": {
"main": [
[
{
"node": "In stock?",
"type": "main",
"index": 0
}
]
]
},
"In stock?": {
"main": [
[
{
"node": "Back-in-stock alert",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
decodoApislackApi
Pro
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About this workflow
N8N-Decodo-Stock-Monitor. Uses @decodo/n8n-nodes-decodo, slack. Scheduled trigger; 11 nodes.
Source: https://gist.github.com/triposat/251e34def7f7f0d209530937ec830f9e — original creator credit. Request a take-down →
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